Montana’s Record Heatwaves
Montana’s longest heatwave occurred in 1936, when Glendive had 82 days over 90F from May 11 to September 22.
Glendive had 34 days over 100F during that same year
Montana’s longest spell of 110 degree days occurred in 1893, when Glendive had five days over 110F from July 11 to August 13
via Real Climate Science
September 18, 2019 at 07:12AM
Iowa Climate Science Education 
Reblogged this on Climate- Science.press.
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